Polish CassandraDataAutoConfiguration

See gh-17004

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/cassandra/CassandraDataAutoConfiguration.java

@@ -69,8 +69,8 @@ public class CassandraDataAutoConfiguration {
 
 	private final Cluster cluster;
 
-	public CassandraDataAutoConfiguration(BeanFactory beanFactory,
-			CassandraProperties properties, Cluster cluster, Environment environment) {
+	public CassandraDataAutoConfiguration(CassandraProperties properties,
+			Cluster cluster) {
 		this.properties = properties;
 		this.cluster = cluster;
 	}
@@ -109,7 +109,7 @@ public class CassandraDataAutoConfiguration {
 	@Bean
 	@ConditionalOnMissingBean(Session.class)
 	public CassandraSessionFactoryBean cassandraSession(Environment environment,
-			CassandraConverter converter) throws Exception {
+			CassandraConverter converter) {
 		CassandraSessionFactoryBean session = new CassandraSessionFactoryBean();
 		session.setCluster(this.cluster);
 		session.setConverter(converter);
@@ -123,7 +123,7 @@ public class CassandraDataAutoConfiguration {
 	@Bean
 	@ConditionalOnMissingBean
 	public CassandraTemplate cassandraTemplate(Session session,
-			CassandraConverter converter) throws Exception {
+			CassandraConverter converter) {
 		return new CassandraTemplate(session, converter);
 	}